Home / 73,990.08-111,001.74-21,403.65

Finding the Fourth Proportional to 73,990.08, 111,001.74 and 21,403.65

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Solution

The fourth proportional to 73,990.08, 111,001.74 and 21,403.65 is: 32,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,990.08 : 111,001.74 = 21,403.65 : x
  2. Step 2: Convert to fraction form
    73,990.08/111,001.74 = 21,403.65/x
  3. Step 3: Cross multiply
    73,990.08x = 111,001.74 × 21,403.65
  4. Step 4: Simplify right side
    73,990.08x = 2,375,842,392.35
  5. Step 5: Solve for x
    x = 2,375,842,392.35/73,990.08
  6. Step 6: Final answer
    x = 32,110.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.